Category: wireless

Tecknet TK-WD004 doorbell 230V AC to USB conversion (WHL #98)

A while back, the landlords decided to toss the old doorbell system. It was fine for ringing, but the audio part was troublesome (50Hz hum of some transformer supply), plus the physical call buttons were mashed multiple times by some brutes and beyond repair. I never used the phone system, it’s just two meters away from the actual front door. The landlords also didn’t bother, because opening the actual door (plus their apartment door) can’t be done electrically, so someone still needs to dash down. It’s a bit of a granny flat situation, so live on ground level and they take up the rest of the building. […]

28th April 2024 29th April 2024 By Bzzz In 1 Comment

QI Wireless Charger Charging Pad for Samsung Galaxy S7 S6 edge Note 5 Nokia HTC 8X Google Nexus 5 6 7 Micro USB QI Phone Charger (WHL #32)

Here’s a random thing – a wireless Qi standard charger for phones!

I don’t even have a phone that is Qi compatible, but at work we’re looking into wireless power distribution AND data transfer at the same time. So I figured I can afford 1,74€ at AliExpress (mid-October) and get such an unit for myself. You know, dissect it, learn how it works, modify it to change characteristics. I previously had a look into the Royer converter or Royer oscillator for an entirely different thing – and here’s where ends meet. […]

11th November 2017 5th November 2017 By Bzzz In No Comment